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Arca protracta

Bivalvia - Arcida - Arcidae

Taxonomy
Byssoarca protracta was named by Conrad (1848) [DISTRIBUTION: Early Oligocene; Gulf Coastal Plain.]. Its type specimen is ANSP 30649, a shell, and it is a 3D body fossil. Its type locality is Vicksburg, which is in a Rupelian marine marl in the Byram Marl Formation of Mississippi.

It was recombined as Navicula protracta by Conrad (1854); it was recombined as Arca protracta by Conrad (1865).

Synonymy list
YearName and author
1848Byssoarca protracta Conrad p. 294
1854Navicula protracta Conrad p. 29
1865Arca protracta Conrad p. 11

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassPteriomorphia(Beurlen 1944)
OstreomorphiFerussac 1822
ArcioniGray 1854
orderArcida(Stoliczka 1871)
superfamilyArcoidea(Lamarck 1809)
familyArcidaeLamarck 1809
subfamilyArcinaeLamarck 1809
genusArca
speciesprotracta()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Arca protracta Conrad 1848
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Adult height: 10 to < 100f
Thickness: intermediatef
Folds: minorf
Ribbing: majorf
Spines: nonef
Internal reinforcement: nonef
Ontogeny: accretionf
Environment: lagoonal, coastal, inner shelf, outer shelf, oceanic, brackish, freshwaterf
Locomotion: stationaryg
Attached: yesg
Life habit: epifaunalg
Diet: suspension feederg
Vision: limitedf
Created: 2004-02-29 17:09:41
Modified: 2009-09-09 11:04:20
Source: g = genus, f = family
References: Aberhan et al. 2004, Mikkelsen and Bieler 2008

Age range: Rupelian or 33.90000 to 28.10000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Rupelian33.9 - 28.1USA (Mississippi) Byssoarca protracta (84137)